2 congruent angles of 74° and one angle of 32° form a triangle.
What is a triangle?
A triangle is a plane figure with three straight sides and three angles.
- Let's consider a triangle with 3 angles, a, b and c. The sum of the 3 angles is 180°.
a + b + c = 180°
- The measure of one interior angle of a triangle is 32°. That is,
32 ° + b + c = 180°
b + c = 148°
The other interior angles are congruent. That is, b = c = x.
b + c = 148°
x + x = 2 x = 148°
x = 74°
2 congruent angles of 74° and one angle of 32° form a triangle.
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